Ultimate Big Chill is the evolved form of Big Chill.


Ultimate Big Chill's wings and 2 antennae's have a red flame red design. He also has a mask-like flame tuft on his face. He can make his wings and antennae fold into a cloak like Big Chill can, which looks no different from Big Chill's cloak, except for being red and orange. His voice is also much deeper than Big Chill's.


Ultimate Big Chill can shoot ice from his mouth just like regular Big Chill however, he can also breath fire that can also frezee his enemies much quicker which he refers to as "Fire so cold it burns."

Ultimate Big Chill can much faster flyer than Big Chill.


  • In the episode, Ultimate Aggregor when Ben was reverted from Ultimate Big Chill back to Big Chill, instead, his body just faded from red to blue. This is the only time so far for this to happen.
  • Ultimate Big Chill is the first to have a nano in cartoonnetwork's MMO, Fusion Fall.


Ben 10 Aliens
Classic Original 10
HeatblastWildmuttDiamondheadXLR8Grey MatterFourarmsStinkflyRipjawsUpgradeGhostfreak
Classic Addtionals
CannonboltWildvineBlitzwolferSnare-ohFrankenstrikeUpchuckDittoEye Guy
Alien Force Original 10
SwampfireWildvineBlitzwolferSnare-ohFrankenstrikeUpchuckDittoEye Guy
Classic Ben 10,000 Aliens
Fusion Aliens
Amalgam BenGrey Arms

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